NETGEAR manual Understanding WG102 Wireless Security Options

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Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point

Understanding WG102 Wireless Security Options

Your wireless data transmissions can be received well beyond your walls by anyone with a compatible adapter. For this reason, use the security features of your wireless equipment. The WG102 Access Point provides highly effective security features which are covered in detail in this chapter. Deploy the security features appropriate to your needs.

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Figure 3-1: WG102 wireless data security options

There are several ways you can enhance the security of your wireless network:

Restrict Access Based on MAC address. You can restrict access to only trusted PCs so that unknown PCs cannot wirelessly connect to the WG102. MAC address filtering adds an obstacle against unwanted access to your network, but the data broadcast over the wireless link is fully exposed.

Turn Off the Broadcast of the Wireless Network Name (SSID). If you disable broadcast of the SSID, only devices that have the correct SSID can connect. This nullifies the wireless network ‘discovery’ feature of some products such as Windows XP, but the data is still fully exposed to a determined snoop using specialized test equipment like wireless sniffers.

Use WEP. Wired Equivalent Privacy (WEP) data encryption provides data security. WEP Shared Key authentication and WEP data encryption will block all but the most determined eavesdropper.

Basic Installation and Configuration

3-4

October 2004

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Contents October Technical Support FCC Statement RF Exposure Warning for North America, and Australia Antenna Statement for North America and Australia 0681 Requirements For Operation in the European Community October Antenna Statement for the European Community October Contents Appendix a Specifications Appendix B Wireless Networking Basics Contents Audience, Versions, Conventions Chapter About This ManualHtml version of this manual How to Use this ManualHow to Print this Manual About This Manual Chapter Introduction Supported Standards and Conventions Key FeaturesAutosensing Ethernet Connections with Auto Uplink 802.11g Standards-based Wireless NetworkingCompatible and Related Netgear Products System RequirementsWhat’s In the Box? Need Product Photo Or Illustration Hardware DescriptionDetachable Antenna Observing Placement and Range Guidelines Chapter Basic Installation and ConfigurationCabling Requirements Feature Factory Default Settings Default Factory SettingsLUHOHVVDWD 6HFXULW\2SWLRQV Understanding WG102 Wireless Security OptionsSET UP the WG102 Access Point Installing the WG102 Access PointLogin window Web browser will then display the WG102 settings Configure the settings appropriate for your network Deploy the WG102 Access Point Verify Wireless Connectivity How to Log In to the WG102 Using Its Default IP Address Understanding Basic Wireless Settings Basic Installation and Configuration Understanding WEP/WPA Security Options Wireless Security SettingsWireless LAN options are explained in the following table Field Description WPA-PSK Wi-Fi WEP Encryption Keys Before You Change the Ssid and WEP SettingsHow to Set Up and Test Basic Wireless Connectivity Select the Turn Access Control On check box How to Restrict Wireless Access by MAC AddressTo configure WEP data encryption, follow these steps How to Configure WEPHow to Configure WPA 11 Wireless Settings menu 13 Wireless Settings menu How to Configure WPA-PSKIP Address Using the Basic IP Settings OptionsTime Zone Chapter Management Using Syslog and Activity Log InformationThis screen shows the following parameters Viewing General, Log, Station, and Statistical InformationGeneral Information Fields Statistics Field Description Wired Ethernet Received/TransmittedViewing a List of Attached Devices Upgrading the Wireless Access Point SoftwareSettings Backup menu Configuration File ManagementUsing the Reset Button to Restore Factory Default Settings Saving and Retrieving the ConfigurationRestoring the WG102 to the Factory Default Settings Set Password menu Changing the Administrator PasswordRemote Management settings Using Snmp Remote ManagementManagement Hotspot Settings Chapter Advanced ConfigurationTable below describes the advanced wireless parameters Configuring Advanced Wireless SettingsPoint-to-Point Bridge AP Settings Enabling Wireless Bridging and RepeatingRepeater with Wireless Client Association How to Configure a WG102 as a Point-to-Point BridgeMulti-Point bridging How to Configure Multi-Point Wireless BridgingAdvanced Configuration How to Configure Wireless Repeating Advanced Configuration No lights are lit on the access point Chapter TroubleshootingLAN light is not lit Wireless LAN activity light does not light upUsing the Reset Button to Restore Factory Default Settings Cannot connect to the WG102 to configure itWhen I enter a URL or IP address I get a timeout error October Specifications for the WG102 Appendix a SpecificationsWPA Infrastructure Mode Appendix B Wireless Networking BasicsWireless Networking Overview Network Name Extended Service Set Identification Essid Authentication and WEP Data EncryptionAd Hoc Mode Peer-to-Peer Workgroup Open System Authentication Authentication802.11b Authentication Open System Steps 802.11b Authentication Shared Key Steps Key Size WEP Configuration Options Wireless ChannelsWPA Wireless Security How Does WPA Compare to WEP? How Does WPA Compare to Ieee 802.11i? What are the Key Features of WPA Security?Wireless Networking Basics Figure B-3 WPA Overview Access point replies with an EAP-request identity message WPA Data Encryption Key Management Temporal Key Integrity Protocol Tkip Product Support for WPA Is WPA Perfect?Changes to Wireless Access Points Changes to Wireless Client Programs Glossary Dhcp DSL Internet service provider Radius TLS Wins Glossary Numerics IndexWEP B-3
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